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Image of the Day: The Ant Police

Members of an Indian jumping ant colony (Harpegnathos saltator) “police” a nestmate at the center of this image to prevent her rising in the social hierarchy.

The Scientist Staff

CLINT PENICK

(See T. Sasaki et al., “A simple behavioral model predicts the emergence of complex animal hierarchies,” The American Naturalist, 2016.)

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